1) Da and Xiao Xing'an Mountains
大小兴安岭
1.
Discussion on the Permafrost Distribution Characteristic and Its Disaster Prevention in Da and Xiao Xing'an Mountains
大小兴安岭多年冻土分布特征及其灾害成因分析
2) Daxing'an and Xiaoxing'an Mountain range
大兴安岭和小兴安岭
3) Xing an Mountains region
大小兴安岭地区
4) Daxing an Mountain and Xiaoxing an Mountain
大、小兴安岭林区
5) northern part of the Greater and Lesser Hinggan Mountains
大、小兴安岭北部
1.
With the sedimentological, sporo-pollen, geochronological, mineralogical and geochemical evidence, this paper studies the formation and evolution of Quaternary gold placers in northern part of the Greater and Lesser Hinggan Mountains.
从沉积学、孢粉学、年代学、矿物学和地球化学的角度,探讨了大、小兴安岭北部第四纪砂金矿的形成与演化,将砂金戍矿时代划分为3个主要时期:晚更新世、全新世早-中期和全新世晚期。
补充资料：大小
大小
中药材的体积、面积的多少。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条